Footwear sole



FIG. 1 is a front perspective view of footwear sole;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is an inner side view thereof;

FIG. 5 is an outer side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines depict environmental structure and portions of thefootwear sole that form no part of the claimed design.

CLAIM The ornamental design for footwear sole, as shown and described.